//
//  NSString+Encryption.h
//  DoctorYL
//
//  Created by Lisa on 16/6/21.
//  Copyright © 2016年 yuntai. All rights reserved.
//

#import <Foundation/Foundation.h>
/**
 *  字符串 SHA加密
 */
@interface NSString (SHA)


-(NSString *) sha1;
-(NSString *) sha224;
-(NSString *) sha256;
-(NSString *) sha384;
-(NSString *) sha512;


@end
